nanog mailing list archives
Re: New mail blocks result of Ralsky's latest attacks?
From: Mike Tancsa <mike () sentex net>
Date: Fri, 10 Oct 2003 11:17:29 -0400
Cant speak for others, but the server that was blocked for us by Yahoo! is ACL'd by IP address. It would be very helpful if the Yahoo! folk could post an official explanation as to what happened so we can pass it on to our customers. e.g. a URL somewhere on Yahoo! ?
---Mike At 10:59 AM 10/10/2003, Bob German wrote:
A colleague informed me this morning that Alan Ralsky is doing widespread bruteforce attacks on SMTP AUTH, and they are succeeding, mainly because it's quick, painless (for him), and servers and IDS signatures don't generally offer protection against them.Could this be why everyone's locking up their mail servers all of a sudden? Does anyone know of a way to stop them? Bob
Current thread:
- New mail blocks result of Ralsky's latest attacks? Bob German (Oct 10)
- Re: New mail blocks result of Ralsky's latest attacks? Brian Bruns (Oct 10)
- Re: New mail blocks result of Ralsky's latest attacks? Suresh Ramasubramanian (Oct 10)
- RE: New mail blocks result of Ralsky's latest attacks? Bob German (Oct 10)
- Re: New mail blocks result of Ralsky's latest attacks? Brian Bruns (Oct 10)
- Re: New mail blocks result of Ralsky's latest attacks? Suresh Ramasubramanian (Oct 10)
- Re: New mail blocks result of Ralsky's latest attacks? Andrew D Kirch (Oct 10)
- Re: New mail blocks result of Ralsky's latest attacks? Mike Tancsa (Oct 10)
- Re: New mail blocks result of Ralsky's latest attacks? Suresh Ramasubramanian (Oct 10)
- Re: New mail blocks result of Ralsky's latest attacks? Steven Champeon (Oct 10)
- Re: New mail blocks result of Ralsky's latest attacks? Steven M. Bellovin (Oct 10)
- Re: New mail blocks result of Ralsky's latest attacks? Suresh Ramasubramanian (Oct 10)
- Re: New mail blocks result of Ralsky's latest attacks? Fred Baker (Oct 11)
- <Possible follow-ups>
- Fw: New mail blocks result of Ralsky's latest attacks? Brian Bruns (Oct 10)
- Re: New mail blocks result of Ralsky's latest attacks? Brian Bruns (Oct 10)